package com.arraysdeepresearch;

import java.util.ArrayList;
import java.util.Collections;
import java.util.List;

class StringAddress{
    private String s;

    public StringAddress(String s) {
        this.s = s;
    }

    @Override
    public String toString() {
        return super.toString()+" "+s;
    }
}

/**
 * @author 13699
 */
public class FillingLists {
    public static void main(String[] args) {
        List<StringAddress> list=new ArrayList<>();
        Collections.nCopies(4,new StringAddress("Hello"));
        System.out.println(list);
        Collections.fill(list,new StringAddress("World"));
        System.out.println(list);
    }
}
